diff options
Diffstat (limited to 'docs/Delta_Calibrate.md')
| -rw-r--r-- | docs/Delta_Calibrate.md | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/docs/Delta_Calibrate.md b/docs/Delta_Calibrate.md index 528021a9..ecc287c9 100644 --- a/docs/Delta_Calibrate.md +++ b/docs/Delta_Calibrate.md @@ -7,7 +7,12 @@ printer motion on a delta printer. Each one of these parameters has a non-obvious and non-linear impact and it is difficult to calibrate them manually. In contrast, the software calibration code can provide excellent results with just a few minutes of time. No special probing -hardware is necessary to get good results. +hardware is necessary. + +Ultimately, the delta calibration is dependent on the precision of the +tower endstop switches. If one is using Trinamic stepper motor drivers +then consider enabling [endstop phase](Endstop_Phase.md) detection to +improve the accuracy of those switches. Basic delta calibration ======================= @@ -32,16 +37,18 @@ the bed. It is typical to permit this during calibration by updating the config so that the printer's `minimum_z_position=-5`. (Once calibration completes, one can remove this setting from the config.) -There are two ways to perform the probing - manual probing and -automatic probing. Automatic probing utilizes a hardware device +There are two ways to perform the probing - manual probing +(`DELTA_CALIBRATE METHOD=manual`) and automatic probing +(`DELTA_CALIBRATE`). Automatic probing utilizes a hardware device capable of triggering when the toolhead is at a set distance from the -bed. Manual probing involves using the "paper test" to determine the -height at each probe point. It is recommended to use manual probing -for delta calibration. A number of common printer kits come with -probes that are not sufficiently accurate (specifically, small -differences in arm length can cause effector tilt which can skew an -automatic probe). Manual probing only takes a few minutes and it -eliminates error introduced by the probe. +bed. The manual probing method will move the head near the bed and +then wait for the user to follow the +["paper test"](Bed_Level.md#the-paper-test) steps. It is recommended +to use manual probing for delta calibration. A number of common +printer kits come with probes that are not sufficiently accurate +(specifically, small differences in arm length can cause effector tilt +which can skew an automatic probe). Manual probing only takes a few +minutes and it eliminates error introduced by the probe. To perform the basic probe, make sure the config has a [delta_calibrate] section defined and run: @@ -56,7 +63,7 @@ SAVE_CONFIG ``` The basic calibration should provide delta parameters that are -accurate enough for basic printing. If this is a new printer, this is +accurate enough for basic printing. If this is a new printer, this is a good time to print some basic objects and verify general functionality. |